+++ This bug was initially created as a clone of Bug #754472 +++
bug 754472 handled moving to the new UI overall. This bug handles the parts that are specific to click-to-play via blocklisting (i.e. the vulnerability status of the plugins).

Comment on attachment 663605[details][diff][review]
patch
Jared - if you could have another look at this, that'd be great.
I left the exclamation marks in as per the UI design, but if you feel strongly about removing them, I could maybe be convinced.

Created attachment 664642[details][diff][review]
patch v2
Fixed the camel case and the negative margins.
With regard to the images (> + background-image: url("chrome://mozapps/skin/extensions/stripes-info-negative-small.png");), I was just following the style of what was already there - there are a number of such stripe images. If we want to move them all, that sounds like a follow-up bug that we can take care of later.

Comment on attachment 666270[details][diff][review]
patch v3
>+.center-item-box[warn="true"] {
>+ background-image: url("chrome://mozapps/skin/extensions/stripes-info-negative-small.png");
It's unclear why you're putting this image into mozapps/skin/extensions/. Please file a bug on moving it away from there. Next time around, ask a toolkit peer for review (https://wiki.mozilla.org/Modules/Toolkit).
By the way, browser.xul and browser.css are shared by a variety of different code. Any ids and classes you add ought to be unambiguous; "center-item-box" is way too generic.